THE EFFECT OF ADDITION OF MAGNESIUM ELEMENTS ON THE ALUMINUM VELG CASTING PROCESS METHOD OF CASTING MOLD PRESSING TO THE LEVEL OF VIOLENCE, STRENGTH OF IMPACT AND MICRO STRUCTURE

Arif Sri Kuncoro, Budi Harjanto, Herman Saputro

Abstract

The aims of this research are : (1) the effect of adding magnesium in alluminium alloy velg casting toward hardness, (2) the effect of adding magnesium in alluminium alloy velg casting toward the impact power, (3) the effect of adding magnesium in alluminium alloy velg casting toward micro structure. This research use experiment method with the descriptive data analysis. The result of this research shows that : (1) there are  effects of hardness level from the variation of adding magnesium with the value of 2% has hardness value average as 74.04 HB, while 3% magnesium has value average as  81.47 HB, then 4% magnesium has value average as 95.87 HB. (2) there are effects of impact power from adding magnesium , with the value of 2% has average value of impact as 0.055 J/mm2, 3% magnesium has average value of impact as 0.041 J/mm2, and 4% magnesium has average value of impact as 0.026 J/mm2. (3) there is an effect of adding magnesium toward matrix distribution of alluminium alloy velg

Keywords

Impact power, hardness level, micro structure, magnesium addition, alluminium alloy velg

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References

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DOI: https://doi.org/10.20961/jomeve.v2i2.37865

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